148689191515 has 8 divisors (see below), whose sum is σ = 180940087008. Its totient is φ = 117275981760.

The previous prime is 148689191509. The next prime is 148689191531. The reversal of 148689191515 is 515191986841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148689191515 - 2⁹ = 148689191003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148689191515.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209421042 + ... + 209421751.

It is an arithmetic number, because the mean of its divisors is an integer number (22617510876).

Almost surely, 2^148689191515 is an apocalyptic number.

148689191515 is a deficient number, since it is larger than the sum of its proper divisors (32250895493).

148689191515 is an equidigital number, since it uses as much as digits as its factorization.

148689191515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418842869.

The product of its digits is 3110400, while the sum is 58.

The spelling of 148689191515 in words is "one hundred forty-eight billion, six hundred eighty-nine million, one hundred ninety-one thousand, five hundred fifteen".